protected bool UpdateOverlay( IDisposable overlay, Geometry geometry, CIMSymbolReference symbol, double referenceScale, double showThrough )
Protected Overloads Function UpdateOverlay( _ ByVal overlay As IDisposable, _ ByVal geometry As Geometry, _ ByVal symbol As CIMSymbolReference, _ ByVal referenceScale As Double, _ ByVal showThrough As Double _ ) As Boolean
Parameters
- overlay
- The IDisposable instance returned from an AddOverlay method call.
- geometry
- The geometry to be used for the update
- symbol
- The symbol to use for the update.
- referenceScale
- Map reference scale or -1
- showThrough
- Visibility factor for showing the overlay through other objects when obscured in 3D.
Valid range is [0..1], any other value will be treated as 0 (not visible).
Return Value
True if the overlay was updated. False otherwise.